#!/bin/sh
set -eu

root_dir=$(cd "$(dirname "$0")" && pwd)
. "$root_dir/../shared/build-lib.sh"

src_html="$root_dir/template.html"
output_dir="$root_dir/dist"
output_html="$output_dir/browse.html"

mkdir -p "$output_dir"
ensure_exists "$src_html"

css_temp=$(mktemp)
js_raw=$(mktemp)
js_temp=$(mktemp)
cleanup() { rm -f "$css_temp" "$js_raw" "$js_temp"; }
trap cleanup EXIT

# CSS files: shared base first, then browse-specific.
concat_files \
    "../shared/base.css" \
    "css/base.css" \
    "css/tree.css" \
    > "$css_temp"

# JS files: shared canonical helpers, then browse modules.
# init.js must come first so window.app exists when later modules
# attach to it.
concat_files \
    "../shared/zddc.js" \
    "../shared/theme.js" \
    "js/init.js" \
    "js/loader.js" \
    "js/tree.js" \
    "js/events.js" \
    "js/app.js" \
    > "$js_raw"

# Escape any literal `</` inside JS string/template literals so the
# inlined <script> block doesn't get terminated prematurely.
escape_js_close_tags "$js_raw" "$js_temp"

tool=browse
compute_build_label "$tool" "$@"

# Replace template placeholders with concatenated CSS/JS + label.
awk -v css_file="$css_temp" -v js_file="$js_temp" \
    -v build_label="$build_label" -v favicon="$favicon_data_uri" '
    /\{\{CSS_PLACEHOLDER\}\}/ {
        while ((getline line < css_file) > 0) print line
        close(css_file); next
    }
    /\{\{JS_PLACEHOLDER\}\}/ {
        while ((getline line < js_file) > 0) print line
        close(js_file); next
    }
    {
        gsub(/\{\{BUILD_LABEL\}\}/, build_label)
        gsub(/\{\{FAVICON\}\}/, favicon)
        print
    }
' "$src_html" > "$output_html"

echo "Wrote $output_html"

# Promote AFTER the dist file exists so promote_release can copy from
# $output_html. (The order matters — _promote_stable does cp $output_html ...)
promote_release "$tool"